Now Playing: Mom of 4 shares exhausting reality of life as a working mother

Now Playing: {{itm.title}}

{"id":10381586,"title":"Michael J. Fox's Life Lessons","duration":"6:29","description":"The actor talks about \"A Funny Thing Happened on the Way to the Future.\"","url":"/GMA/Books/video/michael-j-fox-book-funny-future-10381586","section":"GMA","mediaType":"default"}